examples/options: add audio widgets

examples/menus/options/init.lua

@@ -48,6 +48,9 @@ function OptionsMenu:new()
 
   self:setLanguageMenu()
 
+  Widgets.Audio(self, "audio", "sfx")
+  Widgets.Audio(self, "audio", "music")
+
   Widgets.Exit(self, "main")
   self.menusystem:switchMenu("main")
 

examples/menus/options/widgets.lua

@@ -34,6 +34,7 @@ widgets.Resolution = DoubleTextWidget:extend()
 widgets.Lang    = Widget.Text:extend()
 widgets.PlayerSubMenu = DoubleTextWidget:extend()
 widgets.Key     = DoubleTextWidget:extend()
+widgets.Audio   = DoubleTextWidget:extend()
 
 -- BASIC WIDGETS
 -- Simple and reusables widgets
@@ -249,5 +250,63 @@ function widgets.Key:receiveKey( key )
   self:invalidateCanvas()
 end
 
+-- AUDIO FUNCTIONS
+-- Sounds/Music functions
+
+function widgets.Audio:new(scene, menu, audiotype)
+  self.scene      = scene
+  self.audiotype  = key
+
+
+  local widgetmenu  = self.scene.menusystem.menus[menu]
+  local font        = self.scene.assets.fonts["medium"]
+  self.audiotype = audiotype
+  local label = ""
+  if (self.audiotype == "sfx") then
+    label       = core.lang:translate("options", "sfx")
+  else
+    label       = core.lang:translate("options", "music")
+  end
+  local label2  = self:getLabel()
+
+  widgets.Audio.super.new(self, widgetmenu, font, label, label2)
+  self.order = 0
+end
+
+function widgets.Audio:getLabel()
+  local value = self:getVolume()
+  string = utils.math.numberToString(value, 3)
+  local label = string .. "%"
+
+  return label
+end
+
+function widgets.Audio:getVolume()
+  if (self.audiotype == "sfx") then
+    return core.options.data.audio.sfx
+  else
+    return core.options.data.audio.music
+  end
+end
+
+function widgets.Audio:setVolume(vol)
+  if (vol < 0) then vol = 100 end
+
+  if (self.audiotype == "sfx") then
+    core.options.data.audio.sfx   = vol
+  else
+    core.options.data.audio.music = vol
+  end
+
+  self.label2 = self:getLabel()
+  self:invalidateCanvas()
+end
+
+function widgets.Audio:action()
+  local value = self:getVolume()
+  self:setVolume(value - 20)
+  self.scene.assets.music:setVolume(core.options.data.audio.music / 100)
+  core.options:write()
+end
 
 return widgets